Base | Representation |
---|---|
bin | 10001101011011… |
… | …01101110010001 |
3 | 101100001100111021 |
4 | 20311231232101 |
5 | 300431024031 |
6 | 22414315441 |
7 | 3450342361 |
oct | 1065555621 |
9 | 340040437 |
10 | 148298641 |
11 | 7678aa67 |
12 | 417b8b81 |
13 | 2495469a |
14 | 159a49a1 |
15 | d045511 |
hex | 8d6db91 |
148298641 has 4 divisors (see below), whose sum is σ = 154746432. Its totient is φ = 141850852.
The previous prime is 148298639. The next prime is 148298669. The reversal of 148298641 is 146892841.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 146892841 = 5077 ⋅28933.
It is a cyclic number.
It is not a de Polignac number, because 148298641 - 21 = 148298639 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (148298621) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3223861 + ... + 3223906.
It is an arithmetic number, because the mean of its divisors is an integer number (38686608).
Almost surely, 2148298641 is an apocalyptic number.
It is an amenable number.
148298641 is a deficient number, since it is larger than the sum of its proper divisors (6447791).
148298641 is an equidigital number, since it uses as much as digits as its factorization.
148298641 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 6447790.
The product of its digits is 110592, while the sum is 43.
The square root of 148298641 is about 12177.7929445364. The cubic root of 148298641 is about 529.3127927388.
The spelling of 148298641 in words is "one hundred forty-eight million, two hundred ninety-eight thousand, six hundred forty-one".
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